/*
 * Copyright (C) 2012 Le Tuan Anh <anh.takaji@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package service;

import ezcms.client.UserServiceDelegate;
import ezcms.dto.User;
import ezcms.exceptions.LookupException;
import ezcms.exceptions.PresentationException;
import ezcms.exceptions.ServiceInvokeException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpSession;
import util.ApplicationConstants;

/**
 *
 * @author michael
 * @author Le Tuan Anh <anh.takaji@gmail.com>
 */
public class UserService {
    
    private UserServiceDelegate userServiceDelegate;
    
    public UserService() throws PresentationException {
        try {
            this.userServiceDelegate = new UserServiceDelegate();
        } catch (LookupException ex) {
            throw new PresentationException(ex);
        }
    }
    
    public boolean isAuthenticatedUser(String userName, String password, HttpSession session) throws PresentationException {
        try {
            boolean result = this.userServiceDelegate.authenticate(new User(userName, password));
            if (result) {
                User u = this.userServiceDelegate.getUser(userName);
                session.setAttribute(ApplicationConstants.SESSION_USER, u);
                return true;
            } else {
                return false;
            }
        } catch (ServiceInvokeException ex) {
            throw new PresentationException(ex);
        }
    }
}
